[Serusers] Help Using SER FIFO "ser_fifo"

Fri Apr 22 00:03:43 CEST 2005

Leo,

the reply file must be also a FIFO file already existing and must be 
some process reading from it for SER to be able to write something.
Try to monitor SER logs to trace your problem.

Best regards,
Marian

Leo wrote:
> Dear serusers,
> 
> I have spent the past several nights trying to figure out how to use the
> ser_fifo to send commands and get info back from SER using PHP.
> My understanding of using the fifo in SER is to send it
> :fifo_command:result_filename. In the example below I am sending the
> "ul_dump" command to the fifo and telling to return the result to a file
> called "delthis.txt". The file "delthis.txt" never gets created and it
> doesn't look like this fifo thing is working at all.
> 
> The examples in the admin guide are not helping me. Can anyone one help?
> 
> 
> The test PHP code is below:
> 
> <html>
> <head>
> <title>Browser SERCTL </title>
> </head>
> <body>
> <?php
> function wrfifo()
> {
> $fifo_handle = fopen("/tmp/ser_fifo" , "w");
> if (!$fifo_handle)
> 	{
> 	echo "cannot open ser_fifo<br>";
> 	return 0;
> 	}
> if (fwrite($fifo_handle, ":ul_dump:/tmp/delthis.txt")==-1)
> 	{
> 	echo "cannot write to fifo";
> 	fclose($fifo_handle);
> 	return 0;
> 	}
> fclose($fifo_handle);
> system("cat /tmp/delthis.txt");
> return 1;
> }
> echo "begin<br>";
> $success = wrfifo();
> if ($success)
> 	{
> 	echo "success<br>";
> 	}
> else
> 	{
> 	echo "failure<br>";
> 	}
> ?>
> 
> 
> 
> Leo Papadopoulos
> leo at ltcjp.com
> 
> 

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